<template>
  <div class="sunzi">
      <span>我是孙子组件</span>
      <br>
      <button @click="clickhandler">我去给爷爷送点钱</button>
  </div>
</template>

<script>
export default {
    methods:{
        clickhandler(){
            this.$bus.$emit('moneys',"88888888888888888")
        }
    }

}
</script>

<style scoped>
 .sunzi{
     width:300px;
     height: 100px;
     background: skyblue;
     margin: 20px 0px;
 }
</style>